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OtherCompressorsKeyboards & Sound ModulesVintage DigitalVintage AnalogueEffects & reverbsEqualisersStomp BoxesMiscVintage HiFiInterfacesMonitor speakersB Stock dbx 120XP Subharmonic Synthesizer, 1U rackmount, Low Bass Generator, Wobble Box
This is an unusual piece of kit, even by outboard gear standards. The dbx 120XP is a Subharmonic Synthesizer which generates low frequency subharmonics to increase bass output. It’s designed to enhance the low end by adding really low frequencies that doesn’t exist in the original signal. So, unlike enhancers or EQ which work with what’s already there, the 120XP generates additional subharmonics to add to the signal
The 120XP can be used on an insert – it has stereo inputs & outputs – or on a send with the return coming from the subwoofer output. It’s capable of generating large amounts of subharmonics so needs to be used with a degree of caution!
dbx has made a number of subharmonic synthesisers which differ only in detail. The 120A and 120XP are the best known and the 120XP is not a current product. They’re popular on film post stages for generating subharmonic rumbles for movie effects
I spent some time playing with the Subharmonic Synthesiser. It surprised me with how effective it was and how much excitement it could add to a mix. It’s easy to overdo, it particularly when monitoring on small speakers, when the true effect can’t easily be felt. Pulling the grilles off your speakers and switching the 120 in and out is instructive – with it switched in, you can see the bass cones flapping like crazy when you’ve overdone it
To be used with caution on mixes, with care on sound effects, and with reckless abandon on big PA rigs. The 120XP is one of the best toys I’ve played with in years. Useful for adding that ultra-low end in a mix, beefing up wimpy samples, or for adding rumble to a PA setup. The 120A is guaranteed to make things wobble!
LinksProduct Pagehttp://dbxpro.com/en-US/products/120xp
Owners manualhttps://3e7777c294b9bcaa5486-bc95634e606bab3d0a267a5a7901c44d.ssl.cf2.rackcdn.com/product_documents/documents/374_1323281273/120XP%20Owners%20Manual_original.pdf
Sound on Sound Reviewhttp://www.soundonsound.com/sos/1994_articles/mar94/dbx120xp.html
Fitment / Dimensions1U device suitable for mounting in a standard 19″ rack. 200-240 Volt AC input with standard IEC mains connector. IEC mains cable supplied on request
TechnicalFront panel controls include output level controls for the 24-36 Hz & 36-56 Hz bands, LF boost and subharmonic levels. There’s also an output level control and a switchable crossover for the dedicated subwoofer output
Inputs and outputs are on standard jack sockets. Inputs are balanced, outputs unbalanced. Maximum input & output levels are +20 dB so the 120A will work in a +4 or -10 dB setup
ConditionIn excellent condition – looks to have been little used. Has minor case scratches & rack rash. Tested & working 100%. Photos show a 120XP sold previously
Vintage gearAll vintage gear will have case scratches and marks. It may also have, or develop, noisy pots and switches. I make my descriptions as accurate as possible and note any existing defects. I test each item before shipping but please understand that vintage gear will not be perfect and adjust your expectations accordingly
Visit our eBay Store!© bn1studioPaymentI accept payment by PayPal only for postal items and PayPal or cash on collectionDeliveryCollection from Brighton BN1 or I can send via insured courier. Turnaround up to 3 days, shipping 3-5 daysReturnsItems can be returned within 14 days. Return postage to be paid by the buyer and returned items must be unused, unmarked and as received. Please retain the packaging to reuseCopyrightAll text & images bn1studio except sections in italic which are the property of the original publications. Text & images may not be reproduced without prior permissionOther ItemsPlease check my eBay Store for other studio equipment _gsrx_vers_841 (GS 7.0.16 (841))
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Category: Musical Instruments:Pro Audio Equipment:Signal Processors and Effects
Location: Brighton